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C++ PATCH for c++/50054 (ICE after error with init-list)
- From: Jason Merrill <jason at redhat dot com>
- To: gcc-patches List <gcc-patches at gcc dot gnu dot org>
- Date: Tue, 16 Aug 2011 19:17:11 -0400
- Subject: C++ PATCH for c++/50054 (ICE after error with init-list)
It is possible to run into a situation where we don't know what to do
with an initializer-list.
Tested x86_64-pc-linux-gnu, applying to trunk and 4.6.
commit 1a54ca9d63f7e6453b3327a5699a39696f856a79
Author: Jason Merrill <jason@redhat.com>
Date: Mon Aug 15 06:15:17 2011 -0400
PR c++/50054
* typeck2.c (cxx_incomplete_type_diagnostic): Handle
init_list_type_node.
diff --git a/gcc/cp/typeck2.c b/gcc/cp/typeck2.c
index 0788138..79aa354 100644
--- a/gcc/cp/typeck2.c
+++ b/gcc/cp/typeck2.c
@@ -450,6 +450,12 @@ cxx_incomplete_type_diagnostic (const_tree value, const_tree type,
break;
case LANG_TYPE:
+ if (type == init_list_type_node)
+ {
+ emit_diagnostic (diag_kind, input_location, 0,
+ "invalid use of brace-enclosed initializer list");
+ break;
+ }
gcc_assert (type == unknown_type_node);
if (value && TREE_CODE (value) == COMPONENT_REF)
goto bad_member;
diff --git a/gcc/testsuite/g++.dg/cpp0x/initlist57.C b/gcc/testsuite/g++.dg/cpp0x/initlist57.C
new file mode 100644
index 0000000..d945a46
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/initlist57.C
@@ -0,0 +1,8 @@
+// PR c++/50054
+// { dg-options -std=c++0x }
+
+void g( const int& (a)[1] ) {} // { dg-error "array of references" }
+
+int main () {
+ g( { 1, 2 } ); // { dg-error "initializer list" }
+}